Head rest



FIG. 1 is a front elevational view of a head rest, showing our new design, in closed position;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a top perspective view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right elevational side view thereof;

FIG. 7 is a rear perspective view thereof;

FIG. 8 is a front elevational view, showing our new design in open position;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a bottom perspective view thereof;

FIG. 11 is a top perspective view thereof; and,

FIG. 12 is a front perspective view thereof. 

The ornamental design for a head rest, as shown and described. 